Can you provide any more information about the persons you are seeking? Was Severt Swanson (sen) born in Wis or Norway? Place of origin? Birthdates? Norwegian names?
I have information about Rognes, Støren (Sor-Trondelag) farm families, including Anders Andersen Rognes, b. 1862 who emigrated to America. His parents: Anders Andersen Soknes, b. 1822 and d. 1897 at Rognes; m. 1854 to Ingeborg Rolfsdatter Rognes, b. 1827, d. 1907. (Støren Bd. 1, 360-361)
Ingeborg Rolfsdatter Rognes, b. 1827 was daughter of Rolf Olsen Rognes from Nordstu at Rognes. He was born 1792 and d. 1841; married in 1828 to Marit Eriksdatter Rogstad from Eriks-Stugu. She was b. 1799.